Synchronization signal block based spectrum coexistence

Abstract

Certain aspects of the present disclosure provide techniques for synchronization signal block (SSB) based spectrum coexistence. An example method, performed at a network entity of a first radio access technology (RAT) network, includes outputting, for transmission, signaling configuring a user equipment (UE) to perform a search and measurement procedure associated with signals on frequency bands that are shared between the first RAT network and a second RAT network, obtaining, from the UE, a report with information indicating results of the search and measurement procedure, and performing one or more actions to mitigate interference based on the information.

What is claimed is: 
     
         1 . An apparatus, comprising: a memory comprising executable instructions; and a processor configured to execute the executable instructions and cause the apparatus to:
 output, for transmission, signaling configuring a user equipment (UE) to perform a search and measurement procedure associated with signals on frequency bands that are shared between a first radio access technology (RAT) network and a second RAT network;   obtain, from the UE, a report with information indicating results of the search and measurement procedure; and   perform one or more actions to mitigate interference based on the information.   
     
     
         2 . The apparatus of  claim 1 , wherein:
 the first RAT network comprises a wireless wide area network (WWAN); and   the second RAT network comprises a wireless local area network (WLAN).   
     
     
         3 . The apparatus of  claim 1 , wherein the frequency bands that are shared between the first RAT network and the second RAT network include frequency bands above 6 GHz. 
     
     
         4 . The apparatus of  claim 1 , wherein the report identifies one or more signals on the frequency bands that are shared between the first RAT network and the second RAT network. 
     
     
         5 . The apparatus of  claim 4 , wherein the one or more signals identified in the report comprise synchronization signal blocks (SSBs). 
     
     
         6 . The apparatus of  claim 1 , wherein the report includes information conveyed in synchronization signal blocks (SSBs) that is associated with network entities of the second RAT network that operate on the frequency bands that are shared between the first RAT network and the second RAT network. 
     
     
         7 . The apparatus of  claim 6 , wherein the information conveyed in the SSBs comprises at least one of:
 a cell number, a frame index, master information block (MIB) information, or other system information (SI).   
     
     
         8 . The apparatus of  claim 1 , wherein the signaling further configures the UE to asynchronously report the information indicating results of the search and measurement procedure. 
     
     
         9 . The apparatus of  claim 1 , wherein the one or more actions involve at least one of:
 allocating frequency resources to the UE;   adjusting transmission power of at least one of the UE or a network entity;   terminating a connection with the UE on a frequency band shared between the first RAT network and the second RAT network; or   avoiding one or more frequency bands for an amount of time.   
     
     
         10 . The apparatus of  claim 1 , wherein the performance of the one or more actions to mitigate interference is also based on at least one of:
 measured signal strength indicator (RSSI), reference signal received power (RSRP), or signal to interference and noise ratio (SINR);   velocity or movement of the UE; or   data obtained from sources other than the UE.   
     
     
         11 . The apparatus of  claim 1 , further comprising at least one transceiver, wherein:
 the transceiver is configured to transmit the signaling configuring the UE and to receive the report; and   the apparatus is configured as a network entity.   
     
     
         12 . An apparatus, comprising: a memory comprising executable instructions; and a processor configured to execute the executable instructions and cause the apparatus to:
 obtain signaling, from a network entity of a first radio access technology (RAT) network, configuring the apparatus to perform a search and measurement procedure associated with signals on frequency bands that are shared between the first RAT network and a second RAT network, wherein the first RAT network comprises a wireless wide area network (WWAN), the second RAT network comprises a wireless local area network (WLAN), and the signals comprise synchronization signal blocks (SSBs) compatible with the first RAT network;   perform the search and measurement procedure; and   output, for transmission to the first RAT network entity, a report with information indicating results of the search and measurement procedure.   
     
     
         13 . The apparatus of  claim 12 , wherein the frequency bands that are shared between the first RAT network and the second RAT network comprise frequency bands include frequency bands above 6 GHz. 
     
     
         14 . The apparatus of  claim 12 , wherein the report identifies one or more signals, sensed by a user equipment (UE), on the frequency bands that are shared between the first RAT network and the second RAT network. 
     
     
         15 . The apparatus of  claim 12 , wherein the report includes information conveyed in the SSBs that is associated with second RAT network entities that operate on the frequency bands that are shared between the first RAT network and the second RAT network. 
     
     
         16 . The apparatus of  claim 15 , wherein the information conveyed in the SSBs comprises at least one of:
 a cell number, a frame index, master information block (MIB) information, or other system information (SI).   
     
     
         17 . The apparatus of  claim 12 , wherein the report is output for transmission asynchronously. 
     
     
         18 . The apparatus of  claim 1 , further comprising at least one transceiver, wherein:
 the transceiver is configured to receive the signaling and transmit the report; and   the apparatus is configured as a user equipment (UE).   
     
     
         19 . An apparatus, comprising: a memory comprising executable instructions; and a processor configured to execute the executable instructions and cause the apparatus to:
 select one or more frequency bands that are shared between a second radio access technology (RAT) network and a first RAT network; and   output, for transmission, signals on the selected frequency bands wherein the signals comprise synchronization signal blocks (SSBs) compatible with the first RAT network.   
     
     
         20 . The apparatus of  claim 19 , wherein:
 the first RAT network comprises a wireless wide area network (WWAN) network; and   the second RAT network comprises a wireless local area network (WLAN) network.   
     
     
         21 . The apparatus of  claim 19 , wherein the frequency bands that are shared between the first RAT network and the second RAT network comprise frequency bands above 6 GHz. 
     
     
         22 . The apparatus of  claim 19 , wherein the signals include information conveyed in the SSBs that is associated with second RAT network entities operable on the shared frequency bands. 
     
     
         23 . The apparatus of  claim 22 , wherein the information conveyed in the SSBs comprises at least one of:
 a cell number, a frame index, master information block (MIB) information, or other system information (SI).   
     
     
         24 . The apparatus of  claim 19 , wherein the SSBs are output for transmission periodically at start times being based on system timing. 
     
     
         25 . The apparatus of  claim 19 , wherein the SSBs are output for transmission using at least one of:
 frequency division multiplexing (FDM); or   fixed waveforms.   
     
     
         26 . The apparatus of  claim 19 , further comprising at least one transceiver, wherein:
 the transceiver is configured to transmit the signals; and   the apparatus is configured as a network entity.